Designed for priming metal, wooden, and other surfaces before applying coatings based on uralkyd and pentaphthalic resins. Provides strong adhesion between the surface and subsequent paint layers, improving coating durability. Composition: suspension of fillers and functional additives in a resin solution with solvent and drier. Technical specification: TU U 20.3-36584093-002:2018. Packaging type: metal can, plastic bucket. Advantages: — excellent adhesion to metal and wood; — corrosion protection; — easy application by brush, roller, or spray; — ideal base for further coating.